Contact sensor



FIG. 1 is a perspective view of the contact sensor showing my newdesign;

FIG. 2 is a front view of the contact sensor depicted in FIG. 1;

FIG. 3 is a rear view of the contact sensor depicted in FIG. 1;

FIG. 4 is a left side view of the contact sensor depicted in FIG. 1;

FIG. 5 is a right side view of the contact sensor depicted in FIG. 1;

FIG. 6 is a top view of the contact sensor depicted in FIG. 1; and,

FIG. 7 is a bottom view of the contact sensor depicted in FIG. 1.

CLAIM The ornamental design for a contact sensor, as shown.